NEC MultiSync 75F-3 Service Manual page 47

Color monitor
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GENERAL DESCRIPTION
The WT62P1 is a microcontroller for digital controlled monitor with Universal Serial Bus (USB) interface.
It contains an 8-bit CPU, 32K bytes flash memory, 512 bytes RAM, 14 PWMs, parallel I/Os, SYNC signal
processor, timer, DDC1/2B interface, master/slave I²C interface, low speed USB device module, 6-bit A/
D converter and watch-dog timer.
FEATURES
* 8-bit 6502 compatible CPU with 6MHz operating frequency
* 32768 bytes flash memory, 512 bytes SRAM
* 12MHz crystal oscillator
* 14 channels 8-bit PWM outputs
* Sync signal processor with H+V separation, H/V frequency counter, H/V polarity detection/control and
clamp pulse output
* Six free-running sync signal outputs (Horizontal frequency up to 106kHz)
* Self-test pattern
* DDC1/2B supported
* Fast mode master/slave I²C interface (up to 400kHz)
* Embedded USB function with endpoint 0 and endpoint 1
* Built-in 3.3V regulator for USB tranceiver
* Watch-dog timer
* Maximum 28 programmable I/O pins
* One 8-bit programmable timer
* 6-bit A/D converter with 4 selectable inputs
* One external interrupt request input
* Low V
reset
DD
ORDERING INFORMATION
Package Type
42-pin PDIP
42-pin Shrink PDIP
40-pin PDIP
28-pin skinny PDIP
44-pin SOP
Part Number
WT62P1-N42
WT62P1-K42
WT62P1-N40
WT62P1-N28
WT62P1-S44
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